package p12.p1219;

public class StringTest {
    public static void main(String[] args) {
        String cc = "helloWORLD";

        String s1 = cc.substring(0,1);
        System.out.println("s1 = " + s1);
        String s2 = cc.substring(1);
        System.out.println("s2 = " + s2);

        String b_s1 = s1.toUpperCase();
        String s_s2 = s2.toLowerCase();

        String add = b_s1+s_s2;
        System.out.println("add = " + add);

    }

}
